# SingleStore Studio Release Notes ## Maintenance Release Changelog ## 2025-10-07 Version 4.1.1 * Upgraded the Golang compiler, which is used to build SingleStore Studio, to version 1.23.6. ## 2024-06-04 Version 4.1.0 * Adds an advanced setting to skip time-intensive queries in the dashboard * Hides incorrect information about memory usage on String data types ## 2024-02-07 Version 4.0.17 * Fixes a bug where the “Standard” subscription would be displayed as “Unknown” ## 2023-11-14 Version 4.0.16 * Fixes a bug where the Studio and database engine upgrade banners would not be displayed ## 2023-10-27 Version 4.0.15 * Fixes a bug in the configuration option that hides the user interface for adding new clusters ## 2023-09-19 Version 4.0.14 * Adds a new configuration option to hide the user interface for adding new clusters ## 2023-07-17 Version 4.0.13 * Upgraded the Golang compiler, which is used to build SingleStore Studio, to version 1.20.5. ## 2023-06-15 Version 4.0.12 * Adds a new “disableUITelemetry” property to the Studio configuration file to disable external requests ## 2022-12-15 Version 4.0.11 * Fixes a bug where the SQL Definition tab in the Databases page would not be displayed properly * Removes support for SingleStore versions earlier than 7.1 ## 2022-12-05 Version 4.0.10 * Fixes connection validations for SingleStore Self-Managed users. ## 2022-11-29 Version 4.0.9 * Fixes connection validations for SingleStore Helios users. This has no impact for self-managed users of Studio. ## 2022-10-06 Version 4.0.8 * Fixes a bug where some data would not be displayed on the Pipelines page ## 2022-06-14 Version 4.0.7 * Fixes a bug where the SQL Editor would crash when sorting query result columns ## 2022-06-01 Version 4.0.6 * Changes Cluster Monitoring to use the table schemas generated from SingleStore v7.8.2 * Fixes a bug in the Active Queries page where the query time would be displayed incorrectly * Minor style fixes ## 2022-04-27 Version 4.0.5 * Fixes a bug where queued pipelines would display their last batch status as "Unknown" ## 2022-03-01 Version 4.0.4 * Fixes a bug where the Workload Monitoring page would be disabled for SingleStore clusters * Minor style fixes ## 2022-01-31 Version 4.0.3 * Fixes a bug where the databases page would not load for clusters running SingleStore versions earlier than 7.5 * Fixes a bug where the Table page would crash ## 2022-01-26 Version 4.0.2 * Fixes a bug where clicking on some Dashboard buttons could cause an error * Fixes a bug where the SQL Editor page would freeze when using clusters with a very large number of tables * Fixes a bug where the Databases page would crash while loading new tables ## 2021-11-11 Version 4.0.1 * Fixes a bug where Historical Monitoring was not displaying any results * Fixes a bug where the Databases page would sometimes stop working * Fixes a bug where the cluster schema did not update based on the connected cluster * Simplifies the Help menu and removes tutorials * Improves Visual Explain panning ## 2021-09-21 Version 4.0.0 * Removes support for SingleStore versions earlier than 7.0 * Tutorial content updates * Fixes a bug where queries would occasionally appear without any information on the Workload Monitoring page * Fixes a bug where the license expiration date was not reported correctly * Minor style fixes and other improvements ## 2021-06-30 Version 3.2.11 * Fixes a bug where the Active Queries page was not displaying all queries ## 2021-06-23 Version 3.2.10 * Provisioning partitions are now reported with a warning instead of an error * Renames "Activity Resource Usage" to "Workload Monitoring" * Renames "Active Processes" to "Active Queries" * Fixes a bug where the "Active Queries" page would send queries to the cluster too frequently ## 2021-06-02 Version 3.2.9 * Adds a refresh button on Activity Resource that updates the date for the time period selected * Adds validation to ensure that a monitoring database name is defined for monitoring clusters * Fixes a bug where some warnings appeared without a description in the Visual Explain page * Fixes a bug where some external links were not working * Fixes a bug where the `information_schema` database would crash the Databases page * Fixes a bug where the disk usage in the Databases page would not be displayed for empty databases * Fixes a bug where the Help menu incorrectly displayed that it was offline * Fixes a bug where the SQL Editor tabs could not be closed * Minor style fixes ## 2021-05-18 Version 3.2.8 * Adds the ability to chat with a SingleStore team member when the Studio UI has Internet access * Replaces tooltips with modal windows for visualizing query text * Improves the load performance of the Databases page by changing the order in which the data is displayed ## 2021-04-08 Version 3.2.7 * Fixes a bug in the Help menu ## 2021-04-08 Version 3.2.6 * Fixes some code samples in the Tutorials that were not working on Windows * Fixes a bug where the dashboard was not being populated due to a timeout error * The Message Logs tab in the SQL Editor now remains open when clicked, even while new queries are run * Minor styling fixes ## 2021-03-23 Version 3.2.5 * Fixes a bug where the Console was not displaying results * Fixes a bug where the Activity Resource Usage page would not display if one or more activities did not have a MemSQL ID * Adds a warning message when a query is executed for the first time in Visual Explain * Fixes a bug where dates were not being displayed in ISO format * Adds the ability to use Profile Execution time from a JSON file in SingleStore v7.0 or higher * Adds the ability to paste a JSON file into Visual Explain * Fixes some code samples in the Tutorials that were not working on Windows * Fixes a bug where the `PROFILE` SQL statement was running with a row limit * Adds Total Network Traffic metric to the Visual Explain sidebar * Adds a confirmation modal when changing pages during a tutorial * Sorts activities in Activity Resource Usage by CPU usage by default * Minor styling fixes ## 2021-02-18 Version 3.2.4 * Fixes a bug where the automatic SQL Editor reconnection could fail. ## 2021-02-15 Version 3.2.3 * Fixes a bug where a tutorial was incorrectly marked as completed * Styling changes to allow for a more compact UI * Minor styling fixes * Adds warning when the profile of a query includes its compile time * Adds ability to configure TLS version and TLS cipher suite for Studio ## 2021-02-04 Version 3.2.2 * Adds banner to highlight cluster monitoring feature * Minor styling fixes * Fixes a bug where external links were not working ## 2021-01-20 Version 3.2.1 * Adds pipeline and database name validation to the tutorials * Fixes timezone issue in the Activity Resource Usage page * Minor styling fixes * Adds quick start tutorial to the tutorial homepage * Adds interactive tutorials for loading data * Fixes a bug that caused the AdTech tutorial to not load * Fixes a bug where running certain queries in the SQL Editor would error with “Multiple statements detected in a single query” ## 2021-01-08 Version 3.2.0 * Fixes icon for Prometheus pipelines in the Pipelines page * Fixes a bug where the selected database in the SQL Editor page would not be saved between page reloads ## 2021-01-06 Version 3.1.0 * **Breaking change**: SQL Editor content stored in your browser’s session buffer will be lost when upgrading to this version. SingleStore recommends saving it so you can manually restore it. * Adds support for historical Activity Resource Usage via SingleStore Studio. * Various Tutorial UI fixes and improvements ## 2020-11-19 Version 3.0.0 * Removes support for MemSQL 6.7.x versions * Fixes a bug in the SQL Editor where queries that took more than a certain amount of time would never return results * Adds checkable sections to the tutorials in the Tutorial UI that allow users to keep track of their progress throughout the guides * Adds new data (Elapsed Time and Lock Time) to the Activity Resource Usage table * Fixes a bug where the Tutorial UI would be displayed over the **Run** button in the SQL Editor ## 2020-10-27 Version 2.0.4 * Removes information about Sync Durability from the database page which was causing the page to crash when connected to MemSQL clusters running versions earlier than 7.0 ## 2020-10-26 Version 2.0.3 * Adds database filter to the Activity Resource Usage page * Fixes a bug where SQL Editor content would scroll down when the page loads * Adds a minimize button to the Tutorial UI * Adds SQL previews to the Tutorial UI * (Preview) Adds support for exposing MemSQL’s SAML authentication via the UI * Fixes a bug where certain special characters in a cluster’s description would cause Studio to crash on load * Adds information about Sync Durability to the database page * Truncates the query text in a query error when it exceeds a certain length * Adds total disk available and total memory available to the Dashboard page * Rebrands the UI as “SingleStore Studio” ## 2020-09-23 Version 2.0.2 * Fixes a bug where `studio.memsql.com` could not connect to SingleStoreclusters. This has no impact for self-managed users of Studio. ## 2020-09-23 Version 2.0.1 * Improves the performance of the “Databases” page * Changes the result columns of the SQL Editor to automatically adjust the width to match the content * Adds “About” page link to the Help menu * Adds a progress indicator to the minimized tutorial button * Fixes a bug where the tutorial UI would close unexpectedly when a user clicked outside of it * Fixes a bug where the monitoring charts in the “Nodes” and “Hosts” pages would not be displayed * Fixes errors related to preloading static assets * Adds Prometheus `/api/metrics` endpoint to the `singlestoredb-studio` server * Fixes a bug where Studio wouldn’t function on earlier versions of Firefox * Updates the sidebar to auto-collapse when the SQL Editor is opened * Improves the UI on the “Databases” page for visualizing the SQL statements for tables and views * Adds a notification when copying code from the tutorial UI * Changes the “Activity Resource Usage” page to allow browsing all activity types in addition to queries ## 2020-08-21 Version 2.0.0 * Removes support for MemSQL 6.5.x versions * Incorporates visual improvements to the Help menu * Improves the SQL Editor functionality where a new tab is now opened when a new query is run * Adds a new “Message Logs” tab in the SQL Editor that contains information about each query that’s been run during the session * SQL Editor scroll and cursor position are now saved across pages and sessions ## 2020-08-06 Version 1.9.8 * SQL functions and keywords now appear as autocomplete suggestions in the SQL Editor * Fixes a bug when parsing zero-width characters in the SQL Editor * Allows MemSQL users that have been configured with Kerberos/GSSAPI to sign in * Adds new columns to the “Partitions” page for each database * Adds support for serving the Studio front end under a specific URL prefix * Improves the performance of the “Databases” page in clusters where querying `INFORMATION_SCHEMA.COLUMN_STATISTICS` would typically take an extended time to return * Fixes a bug where loading the same file in the SQL Editor more than once in the same session would not work ## 2020-07-09 Version 1.9.7 * Adds a Settings modal with an option for configuring the number of rows returned for queries run in the SQL Editor * Adds a new tutorial to the Tutorial side panel * Improves the SQL Editor to persist the selected database in the SQL Editor across sessions * Adds tooltips that help explain Compression Ratio * Improves the sidebar to persist its width across sessions * Adds support for directly connecting to MemSQL clusters via WebSocket * Adds a banner notification to alert users when a new version of MemSQL is available ## 2020-05-06 Version 1.9.6 ## Bug fixes * Fixes a bug where the “Stock Trade Database” tutorial would error while starting a pipeline * Fixes a bug where Studio could potentially send too many repeated connections to the cluster * Stops warning users about an incorrect replication type on replica partitions for databases marked as replicas * Fixes a bug where the “Sample Data” tab in the “Databases” page would crash if a user back-navigates * Fixes pipeline icons for MemSQL clusters above version 7 ## Performance improvements * Reduces the bundle size of the Studio web application by 3x, decreasing the time it takes for the UI to initially load ## UX improvements * Improves number formatting of byte-type values to better display large numbers * Improves time formatting to show seconds rather than fractions of a minute * Adds support for hours in the resource usage counter * \[Self-managed] - Improves error message when Studio is unable to connect a cluster * \[Self-managed] - Improves message when removing cluster from Studio ## 2020-01-22 Version 1.9.5 * Adds support for serving the User Interface with HTTPS (via TLS) * Fixes a bug in the sorting of the “Partition Instance Status“ column in the “Nodes“ table * Fixes a bug in the sorting of dates in the “Events“ and “Pipelines“ tables * Fixes a bug where the “SQL\_MODE“ was not being properly configured when issuing queries to MemSQL * Adds support for invalid cluster profiles in the Studio configuration file * Adds “Disk Usage“ information to columnstore secondary indexes ## 2019-12-17 Version 1.9.4 * Adds “rows read per second” and “rows written per second” to the dashboard * Adds a new Projections section to the Visual Explain sidebar * Modifies the Visual Explain feature to display the query text from the plan text file * Adds “table compression” to the table page in the Schema Explorer * Fixes a bug where dates would be incorrectly formatted in the Sample Data tab in the Schema Explorer ## 2019-11-26 Version 1.9.3 * Adds support for visualizing query output for those queries that return multiple tables in the Console * Adds the ability to copy the query column to the clipboard in the Active Processes page * Fixes a bug in the SQL Editor that prevented the cursor from selecting the results table scrollbar * Fixes a bug where data would stop loading when changing pages due to the lack of available connections ## 2019-11-06 Version 1.9.2 * Displays an error on the console and in the SQL Editor if the connection is dropped while a query is being run * Adds warnings to the Databases page if the databases appear to be offline due to insufficient permissions * Adds various warnings to Visual Explain * Fixes a bug where node CPU usage was calculated incorrectly * On the Databases page, shows how many nodes a database occupies ## 2019-10-15 Version 1.9.1 * Adds two tutorials to help users load data into a cluster * Adds support for PAM authentication * Fixes a bug where live monitoring would show perpetual loading bars for CPU Usage * Updates definition for “Disk Read” column on Resource Usage page ## 2019-09-20 Version 1.9.0 * Adds a tutorial to the user interface. The tutorial helps users load data into a cluster * Fixes a bug where the “Save as CSV” button in the SQL Editor would disappear from the user interface ## 2019-09-06 Version 1.8.2 * Fixes a bug where closing the Studio upgrade notification would cause the UI to crash the next time Studio loads * Visual refactor to the help links on the Sidebar ## 2019-09-04 Version 1.8.1 * Adds result tabs to the SQL Editor’s output pane * Disables the bottom panel from appearing when queries fail in the SQL Editor * Visual refactor to the table page in the Schema Explorer * Fixes a bug where tables with a date column would crash the Sample Data tab on the table page ## 2019-08-23 Version 1.8.0 * Adds new Active Processes page where queries currently running in MemSQL can be explored * Improves the load time of the Studio application by a factor of four by compressing static assets with gzip * Improves the performance of the Databases page for MemSQL clusters running MemSQL 6.7.11 or higher * Fixes a bug where the Pipelines page would not load on some MemSQL clusters * Adds more information to the query error dialog box in the SQL Editor * Separates the SQL Editor Results user interface into two tabs (one for logs and one for query results) * Changes the placement of the “Save as CSV” button to make it closer to the query results in the SQL Editor * Removes the pagination of SQL Editor results * Fixes a bug where some tabs would not be properly marked as active/inactive * General improvements to the checkbox component style ## 2019-08-12 Version 1.7.1 * Updates look to match the new MemSQL brand * Fixes a bug where the Visual Explain tree would not be visible when loading it from the SQL Editor * Fixes a bug where drag handles would be visible on top of modals ## 2019-08-06 Version 1.7.0 * Adds Physical Monitoring metrics to clusters running on versions of MemSQL 6.8.6 or higher * Adds support for double clicking column header edges to auto-resize them * Adds a database selector dropdown to the SQL Editor * Adds support for resizing the results pane and the Schema Tree pane in the SQL Editor * Adds support for searching in the SQL Editor Schema Tree * Improves performance of table rendering across all pages * Adds support for disabling current sort state on a table’s column * Fixes some small visual bugs ## 2019-06-17 Version 1.6.3 * Fixes a bug where the SQL Editor would disappear on very recent versions of Google Chrome * Improves the Studio browser logs to be more detailed when errors occur * Fixes the calculation of total time in Visual Explain nodes to include network time and CPU time * Displays CPU time as its own metric in Visual Explain nodes ## 2019-05-03 Version 1.6.2 * Adds new dashboard design with a focus on the health status of various logical components of the cluster * Persists the selected database in the SQL Editor and the Bottom Panel console across reconnects in the same session * Implements a notification system that informs users about new Studio versions * Adds more information to nodes, databases, and partitions in their respective pages * Replaces the `topology` URL with `nodes` * Fixes a bug where the query results would be incorrect for queries that return more than one column with the same name * Fixes a visual bug where resizing table columns would affect other columns * Fixes a visual bug where the schema tree on the SQL Editor would be cut off vertically * Fixes a visual bug with long cluster titles in the clusters list page * Fixes a visual bug where enabling columns in the Resource Usage page would break some columns’ widths ## 2019-05-03 Version 1.6.1 * Fixes visual bug with long cluster titles on the sidebar ## 2019-05-02 Version 1.6.0 * Adds hosts page with host-level information * Adds partition and partition instance data to the Schema Explorer * Improves the performance of the Schema Explorer by not blocking on columnar segments data * Adds support for deleting clusters from the Studio UI * Adds a refresh button to the schema tree in the SQL Editor * Various visual updates and styling improvements to the sidebar * Adds Studio version card to the About page * Fixes a visual bug in the cluster switcher dropdown * Various visual improvements to the Schema Explorer pages (e.g., new tab styling, new circle indicator styling) ## 2019-03-15 Version 1.5.6 * Fixes a bug where users without read permissions on all databases could not view any schema data * Fixes a bug where Stored Procedures would not show up on clusters running versions 6.7.11 or higher * Fixes a bug where the query editor buffer would not be saved on some connections * Fixes a bug in auto-connect * Fixes a bug where the Dashboard would crash when the High Availabilty query failed * Fixes a visual alignment issue in the connect to cluster page * Adds support for unit licensing * Fixes how long cluster names are displayed on the sidebar ## 2019-02-28 Version 1.5.5 * Cluster creation via the UI can be disabled via the `disableClusterMutations` flag in the config * Fixes bug with long hostnames in the UI ## 2019-02-28 Version 1.5.4 * Broken release - skip to 1.5.5 * If you have trouble upgrading to 1.5.5 from 1.5.4, remove the line `allowClusterMutations` from the Studio config file. ## 2019-02-07 Version 1.5.3 * Adds support for resizing columns in all of the tables in the UI * Fixes a bug where older browsers would not be able to load Studio * Fixes a bug where the SQL Editor content would not be persisted across sessions after logging out from a cluster * Fixes a bug where the “Leave Site” alert would not be disabled in the connect pages after logging out from a cluster ## 2019-01-23 Version 1.5.2 * Fixes a few memory leaks in older versions of Chrome and Firefox * Fixes a bug where double clicking table cells would select more than one cell * Fixes a bug where the singlestoredb-studio server would not immediately error when it fails to bind the desired port * Adds support for importing version 3 plan files in Visual Explain * Fixes extra bottom padding at the bottom of the SQL Editor page on Firefox * Fixes a bug where the global SQL MODE on some clusters could break queries that Studio runs ## 2019-01-14 Version 1.5.1 * Fixes page load crash on older browsers * Correctly shows the Unsupported Browser page on unsupported browsers * Fixes a bug where the Resource Usage page would incorrectly label some partitions * Fixes how large numbers are rounded and displayed across the application (Visual Explain, Schema Explorer) ## 2019-01-09 Version 1.5.0 * Adds a menu item to the SQL Editor for exporting query results as CSV * Improves the performance of the SQL Editor * Revamps the infrastructure of the SQL Editor and adds Find/Replace * Fixes the display of the `SHOW CREATE` buttons in the Schema Explorer to only show while hovered * New feedback dialog box integrated with the [SingleStore Forums](https://memsql.com/forum) ## 2018-12-04 Version 1.4.0 * Adds information about Stored Procedures, UDFs, UDAFs and Pipelines to the Schema Explorer * Adds the ability to see the `SHOW CREATE` statement of any Pipeline * Adds new data from query plans in the Visual Explain sidebar * Fixes a bug where JSON-type columns were incorrectly displayed in the Schema Tree * Updates Visual Explain executor icons * Fixes a bug where switching to the Connection tab in the bottom panel would reload certain pages * Fixes a bug where the bottom panel’s console was not focused when opened * Fixes a bug where the Schema Explorer would not work if there were any UDAFs in the cluster * Fixes a bug where the Visual Explain sibling order was not correct for certain plans ## 2018-11-20 Version 1.3.4 * Fixes a bug where the Schema Explorer would crash on clusters with particular schemas * Fixes a bug where reloading the “Nodes Status” page would reset the sorting order of the table ## 2018-11-06 Version 1.3.3 * Fixes binary data conversions * Added support for displaying free licenses ## 2018-11-05 Version 1.3.2 * Fixes input not being focused when opening console in bottom panel * Fixes error when rendering the Sample Tab for a table with a blob type column * Adds default order by role in “Nodes Status” page ## 2018-11-01 Version 1.3.1 * Fixes `/var/lib/memsql-studio` being incorrectly owned by the `root` user in RPM installs * Fixes error when connecting to a new cluster as a user with a password ## 2018-10-31 Version 1.3 * Adds a Sample Data tab to tables and views in the Schema Explorer * The SQL Editor’s buffer is now persisted between page reloads * Fixes a bug where the SQL Editor and console connections would not restore after the connection to the MemSQL cluster is dropped * Fixes the error codes shown to users in the SQL Editor and the console to match MemSQL’s error codes * Shows an error message instead of “No Databases” if fetching schema tree database information fails * Fixes various small visual inconsistencies in the icons and text of Visual Explain * Adds support for clicking on the entire top bar of the bottom panel to resize it * Adds CPU Usage as a default column in Resource Usage ## 2018-10-02 Version 1.2 * Adds support for MemSQL 6.7 clusters * Adds support for both EXPLAIN and PROFILE plans generated by MemSQL 6.7 * Updates Visual Explain icons * Fixes bug with parsing subselects in query plans * Modals can now be closed by clicking outside them * Adds support for reading long cluster titles in the sidebar * Clicking on the MemSQL icon now goes to the Dashboard * Clicking on the cluster name in the sidebar now opens the Cluster Switcher dropdown * Increases the number of results shown per page in the SQL Editor to 30 ## 2018-08-31 Version 1.1 * Adds Visual Explain — a new feature which allows users to visually analyze query plans (either PROFILE or EXPLAIN outputs) * Adds ability to load and save SQL files into the SQL Editor * Fixes a bug where users could submit the Add New Cluster form before it was filled in * Fixes the calculation of some metrics in Schema Explorer * Adds commands to the CLI that return the Studio’s version and commit hash * Adds Studio’s commit hash to the UI * Fixes the default config file to be valid HCL * Fixes small styling issues across all pages * Fixes small bugs across all pages ## 2018-08-06 Version 1.0.1 * Initial release of SingleStore Studio. *** Modified at: October 7, 2025 Source: [/db/v9.1/release-notes/singlestore-studio-release-notes/](https://docs.singlestore.com/db/v9.1/release-notes/singlestore-studio-release-notes/) (An index of the documentation is available at /llms.txt)